Yoko Ono tweeted a picture of John Lennon's bloody glasses Thursday in an effort to bring attention to the issue of gun violence.
The Beatles legend's wife paired the picture of the blood-spattered spectacles with the following statement:
The death of a loved one is a hollowing experience. After 33 years our son Sean and I still miss him. Yoko Ono Lennon pic.twitter.com/PYigb2uJKT
Lennon, also known for his political activism and pacifism, was killed after being shot four times by Mark David Chapman outside his and Ono's New York residence in 1980.
Ono tweeted the picture several times, each with different statements speaking out against gun violence and "turning this beautiful country into a war zone."
"Over 1,057,000 people have been killed by guns in the U.S.A. since John Lennon was shot and killed on December 8, 1980," she wrote.
The statistics were retweeted by President Barack Obama.
Ono has actively spoken out about political issues before. She and Sean appeared on "CBS This Morning" last August to combat fracking.
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The glasses have also graced the cover of her 1981 album, "Season of Glass."